| Risca to Sunbury | 115.38 mi (185.68 km) |
| Risca to Sunderland | 238.56 mi (383.93 km) |
| Risca to Sunninghill | 105.72 mi (170.13 km) |
| Risca to Surbiton | 120.64 mi (194.16 km) |
| Risca to Sutton | 125.65 mi (202.22 km) |
| Risca to Sutton Coldfield | 85.18 mi (137.09 km) |
| Risca to Sutton in Ashfield | 130.17 mi (209.49 km) |
| Risca to Sutton on Hull | 190.09 mi (305.93 km) |
| Risca to Swadlincote | 103.49 mi (166.56 km) |
| Risca to Swallownest | 142.16 mi (228.79 km) |
| Risca to Swanage | 84.74 mi (136.37 km) |
| Risca to Swindon | 56.38 mi (90.74 km) |
| Risca to Swinton | 149.78 mi (241.04 km) |
| Risca to Swinton | 135.28 mi (217.72 km) |
| Risca to Syston | 113.83 mi (183.20 km) |
